Conjugación del verbo inglés
MAY HAPPEN

Verbo regular: happen - happened - happened

Afirmación

Forma simple	Forma con V-ing
- - it may happen - - -	- - it may be happening - - -
Perfecto	Perfecto con V-ing
- - it may have happened - - -	- - it may have been happening - - -

Negación

Forma simple	Forma con V-ing
- - it mayn't happen - - -	- - it mayn't be happening - - -
Perfecto	Perfecto con V-ing
- - it mayn't have happened - - -	- - it mayn't have been happening - - -

Forma interrogativa

Forma simple	Forma con V-ing
- - may it happen? - - -	- - may it be happening? - - -
Perfecto	Perfecto con V-ing
- - may it have happened? - - -	- - may it have been happening? - - -

Forma interro-negativa

Forma simple	Forma con V-ing
- - mayn't it happen? - - -	- - mayn't it be happening? - - -
Perfecto	Perfecto con V-ing
- - mayn't it have happened? - - -	- - mayn't it have been happening? - - -